HELP ME (3 questions) 1. Oceanside Bike Rental Shop charges an initial fee of 15 dollar plus 7 dollars an hour for renting a bike. Joan paid 57 dollars to rent a bike. How many
hours did she pay to have the bike checked out?

2. Joan spent half of her allowance going to the movies. She washed the family car and earned 8 dollars. What is her weekly allowance if she ended with 15 dollars?

3. Tim had 253 dollars to spend on 7 books. After
buying them he had 15 dollars. How much did each book cost?